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https://github.com/Gericom/teak-llvm.git
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c46827c7ed
LLVM IR recently added a Type parameter to the byval Attribute, so that when pointers become opaque and no longer have an element type the information will still be present in IR. For now the Type parameter is optional (which is why Clang didn't need this change at the time), but it will become mandatory soon. llvm-svn: 362652
121 lines
10 KiB
C
121 lines
10 KiB
C
// RUN: %clang_cc1 -emit-llvm %s -o - -ffreestanding -triple=i386-pc-win32 | FileCheck %s --check-prefix=Win32
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// RUN: %clang_cc1 -emit-llvm %s -o - -ffreestanding -triple=x86_64-pc-win32 | FileCheck %s --check-prefix=Win64
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// RUN: %clang_cc1 -emit-llvm %s -o - -ffreestanding -triple=i386-pc-linux-gnu | FileCheck %s --check-prefix=Lin32
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// RUN: %clang_cc1 -emit-llvm %s -o - -ffreestanding -triple=x86_64-pc-linux-gnu | FileCheck %s --check-prefix=Lin64
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#include <xmmintrin.h>
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void __regcall v1(int a, int b) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__v1(i32 inreg %a, i32 inreg %b)
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// Win64: define dso_local x86_regcallcc void @__regcall3__v1(i32 %a, i32 %b)
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// Lin32: define x86_regcallcc void @__regcall3__v1(i32 inreg %a, i32 inreg %b)
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// Lin64: define x86_regcallcc void @__regcall3__v1(i32 %a, i32 %b)
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void __attribute__((regcall)) v1b(int a, int b) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__v1b(i32 inreg %a, i32 inreg %b)
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// Win64: define dso_local x86_regcallcc void @__regcall3__v1b(i32 %a, i32 %b)
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// Lin32: define x86_regcallcc void @__regcall3__v1b(i32 inreg %a, i32 inreg %b)
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// Lin64: define x86_regcallcc void @__regcall3__v1b(i32 %a, i32 %b)
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void __regcall v2(char a, char b) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__v2(i8 inreg signext %a, i8 inreg signext %b)
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// Win64: define dso_local x86_regcallcc void @__regcall3__v2(i8 %a, i8 %b)
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// Lin32: define x86_regcallcc void @__regcall3__v2(i8 inreg signext %a, i8 inreg signext %b)
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// Lin64: define x86_regcallcc void @__regcall3__v2(i8 signext %a, i8 signext %b)
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struct Small { int x; };
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void __regcall v3(int a, struct Small b, int c) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__v3(i32 inreg %a, i32 %b.0, i32 inreg %c)
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// Win64: define dso_local x86_regcallcc void @__regcall3__v3(i32 %a, i32 %b.coerce, i32 %c)
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// Lin32: define x86_regcallcc void @__regcall3__v3(i32 inreg %a, i32 inreg, i32 %b.0, i32 inreg %c)
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// Lin64: define x86_regcallcc void @__regcall3__v3(i32 %a, i32 %b.coerce, i32 %c)
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struct Large { int a[5]; };
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void __regcall v4(int a, struct Large b, int c) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__v4(i32 inreg %a, %struct.Large* byval(%struct.Large) align 4 %b, i32 inreg %c)
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// Win64: define dso_local x86_regcallcc void @__regcall3__v4(i32 %a, %struct.Large* %b, i32 %c)
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// Lin32: define x86_regcallcc void @__regcall3__v4(i32 inreg %a, %struct.Large* byval(%struct.Large) align 4 %b, i32 %c)
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// Lin64: define x86_regcallcc void @__regcall3__v4(i32 %a, [5 x i32] %b.coerce, i32 %c)
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struct HFA2 { double x, y; };
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struct HFA4 { double w, x, y, z; };
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struct HFA5 { double v, w, x, y, z; };
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void __regcall hfa1(int a, struct HFA4 b, int c) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__hfa1(i32 inreg %a, double %b.0, double %b.1, double %b.2, double %b.3, i32 inreg %c)
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// Win64: define dso_local x86_regcallcc void @__regcall3__hfa1(i32 %a, double %b.0, double %b.1, double %b.2, double %b.3, i32 %c)
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// Lin32: define x86_regcallcc void @__regcall3__hfa1(i32 inreg %a, double %b.0, double %b.1, double %b.2, double %b.3, i32 inreg %c)
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// Lin64: define x86_regcallcc void @__regcall3__hfa1(i32 %a, double %b.coerce0, double %b.coerce1, double %b.coerce2, double %b.coerce3, i32 %c)
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// HFAs that would require more than six total SSE registers are passed
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// indirectly. Additional vector arguments can consume the rest of the SSE
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// registers.
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void __regcall hfa2(struct HFA4 a, struct HFA4 b, double c) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__hfa2(double %a.0, double %a.1, double %a.2, double %a.3, double %b.0, double %b.1, double %b.2, double %b.3, double* inreg)
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// Win64: define dso_local x86_regcallcc void @__regcall3__hfa2(double %a.0, double %a.1, double %a.2, double %a.3, double %b.0, double %b.1, double %b.2, double %b.3, double %c)
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// Lin32: define x86_regcallcc void @__regcall3__hfa2(double %a.0, double %a.1, double %a.2, double %a.3, double %b.0, double %b.1, double %b.2, double %b.3, double* inreg)
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// Lin64: define x86_regcallcc void @__regcall3__hfa2(double %a.coerce0, double %a.coerce1, double %a.coerce2, double %a.coerce3, double %b.coerce0, double %b.coerce1, double %b.coerce2, double %b.coerce3, double %c)
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// Ensure that we pass builtin types directly while counting them against the
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// SSE register usage.
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void __regcall hfa3(double a, double b, double c, double d, double e, struct HFA2 f) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__hfa3(double %a, double %b, double %c, double %d, double %e, double %f.0, double %f.1)
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// Win64: define dso_local x86_regcallcc void @__regcall3__hfa3(double %a, double %b, double %c, double %d, double %e, double %f.0, double %f.1)
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// Lin32: define x86_regcallcc void @__regcall3__hfa3(double %a, double %b, double %c, double %d, double %e, double %f.0, double %f.1)
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// Lin64: define x86_regcallcc void @__regcall3__hfa3(double %a, double %b, double %c, double %d, double %e, double %f.coerce0, double %f.coerce1)
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// Aggregates with more than four elements are not HFAs and are passed byval(%b.3, double).
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// Because they are not classified as homogeneous, they don't get special
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// handling to ensure alignment.
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void __regcall hfa4(struct HFA5 a) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__hfa4(%struct.HFA5* byval(%struct.HFA5) align 4)
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// Win64: define dso_local x86_regcallcc void @__regcall3__hfa4(%struct.HFA5* %a)
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// Lin32: define x86_regcallcc void @__regcall3__hfa4(%struct.HFA5* byval(%struct.HFA5) align 4 %a)
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// Lin64: define x86_regcallcc void @__regcall3__hfa4(double %a.coerce0, double %a.coerce1, double %a.coerce2, double %a.coerce3, double %a.coerce4)
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// Return HFAs of 4 or fewer elements in registers.
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static struct HFA2 g_hfa2;
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struct HFA2 __regcall hfa5(void) { return g_hfa2; }
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// Win32: define dso_local x86_regcallcc %struct.HFA2 @__regcall3__hfa5()
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// Win64: define dso_local x86_regcallcc %struct.HFA2 @__regcall3__hfa5()
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// Lin32: define x86_regcallcc %struct.HFA2 @__regcall3__hfa5()
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// Lin64: define x86_regcallcc %struct.HFA2 @__regcall3__hfa5()
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typedef float __attribute__((vector_size(16))) v4f32;
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struct HVA2 { v4f32 x, y; };
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struct HVA4 { v4f32 w, x, y, z; };
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void __regcall hva1(int a, struct HVA4 b, int c) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__hva1(i32 inreg %a, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, i32 inreg %c)
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// Win64: define dso_local x86_regcallcc void @__regcall3__hva1(i32 %a, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, i32 %c)
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// Lin32: define x86_regcallcc void @__regcall3__hva1(i32 inreg %a, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, i32 inreg %c)
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// Lin64: define x86_regcallcc void @__regcall3__hva1(i32 %a, <4 x float> %b.coerce0, <4 x float> %b.coerce1, <4 x float> %b.coerce2, <4 x float> %b.coerce3, i32 %c)
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void __regcall hva2(struct HVA4 a, struct HVA4 b, v4f32 c) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__hva2(<4 x float> %a.0, <4 x float> %a.1, <4 x float> %a.2, <4 x float> %a.3, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, <4 x float>* inreg)
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// Win64: define dso_local x86_regcallcc void @__regcall3__hva2(<4 x float> %a.0, <4 x float> %a.1, <4 x float> %a.2, <4 x float> %a.3, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, <4 x float> %c)
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// Lin32: define x86_regcallcc void @__regcall3__hva2(<4 x float> %a.0, <4 x float> %a.1, <4 x float> %a.2, <4 x float> %a.3, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, <4 x float>* inreg)
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// Lin64: define x86_regcallcc void @__regcall3__hva2(<4 x float> %a.coerce0, <4 x float> %a.coerce1, <4 x float> %a.coerce2, <4 x float> %a.coerce3, <4 x float> %b.coerce0, <4 x float> %b.coerce1, <4 x float> %b.coerce2, <4 x float> %b.coerce3, <4 x float> %c)
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void __regcall hva3(v4f32 a, v4f32 b, v4f32 c, v4f32 d, v4f32 e, struct HVA2 f) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__hva3(<4 x float> %a, <4 x float> %b, <4 x float> %c, <4 x float> %d, <4 x float> %e, <4 x float> %f.0, <4 x float> %f.1)
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// Win64: define dso_local x86_regcallcc void @__regcall3__hva3(<4 x float> %a, <4 x float> %b, <4 x float> %c, <4 x float> %d, <4 x float> %e, <4 x float> %f.0, <4 x float> %f.1)
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// Lin32: define x86_regcallcc void @__regcall3__hva3(<4 x float> %a, <4 x float> %b, <4 x float> %c, <4 x float> %d, <4 x float> %e, <4 x float> %f.0, <4 x float> %f.1)
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// Lin64: define x86_regcallcc void @__regcall3__hva3(<4 x float> %a, <4 x float> %b, <4 x float> %c, <4 x float> %d, <4 x float> %e, <4 x float> %f.coerce0, <4 x float> %f.coerce1)
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typedef float __attribute__((ext_vector_type(3))) v3f32;
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struct OddSizeHVA { v3f32 x, y; };
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void __regcall odd_size_hva(struct OddSizeHVA a) {}
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// Win32: define dso_local x86_regcallcc void @__regcall3__odd_size_hva(<3 x float> %a.0, <3 x float> %a.1)
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// Win64: define dso_local x86_regcallcc void @__regcall3__odd_size_hva(<3 x float> %a.0, <3 x float> %a.1)
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// Lin32: define x86_regcallcc void @__regcall3__odd_size_hva(<3 x float> %a.0, <3 x float> %a.1)
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// Lin64: define x86_regcallcc void @__regcall3__odd_size_hva(<3 x float> %a.coerce0, <3 x float> %a.coerce1)
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struct HFA6 { __m128 f[4]; };
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struct HFA6 __regcall ret_reg_reused(struct HFA6 a, struct HFA6 b, struct HFA6 c, struct HFA6 d){ struct HFA6 h; return h;}
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// Win32: define dso_local x86_regcallcc %struct.HFA6 @__regcall3__ret_reg_reused(<4 x float> %a.0, <4 x float> %a.1, <4 x float> %a.2, <4 x float> %a.3, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, %struct.HFA6* inreg %c, %struct.HFA6* inreg %d)
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// Win64: define dso_local x86_regcallcc %struct.HFA6 @__regcall3__ret_reg_reused(<4 x float> %a.0, <4 x float> %a.1, <4 x float> %a.2, <4 x float> %a.3, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, <4 x float> %c.0, <4 x float> %c.1, <4 x float> %c.2, <4 x float> %c.3, <4 x float> %d.0, <4 x float> %d.1, <4 x float> %d.2, <4 x float> %d.3)
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// Lin32: define x86_regcallcc %struct.HFA6 @__regcall3__ret_reg_reused(<4 x float> %a.0, <4 x float> %a.1, <4 x float> %a.2, <4 x float> %a.3, <4 x float> %b.0, <4 x float> %b.1, <4 x float> %b.2, <4 x float> %b.3, %struct.HFA6* inreg %c, %struct.HFA6* inreg %d)
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// Lin64: define x86_regcallcc %struct.HFA6 @__regcall3__ret_reg_reused([4 x <4 x float>] %a.coerce, [4 x <4 x float>] %b.coerce, [4 x <4 x float>] %c.coerce, [4 x <4 x float>] %d.coerce)
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